Provider Profile

Matty Chang, O.D.

Unclaimed Profile

About Dr. Chang

Matty Chang, O.D. is an optometrist based in Orange, CA. Matty is a 2003 graduate of Southern California College of Optometry. According to Medicare claims data, Matty cared for 44 Medicare patients across 48 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.

Specialty

Optometrist (Primary)

Credentials & Licensing

CA license12280T
NPI1770502296
NPI issued07/18/2006

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What is Matty Chang's specialty?

Matty Chang is an optometrist in Orange, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where can I find Matty Chang?

Matty Chang is listed at 311 N Tustin St Ste B, Orange, CA 92867. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Matty Chang?

The number on file is (714) 997-7500. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Matty Chang's NPI number?

Matty Chang's National Provider Identifier is 1770502296. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

What is Matty Chang's education?

Matty Chang attended Southern California College of Optometry, graduating in 2003. This comes from the CMS National Downloadable File.

CMS public data

How long has Matty Chang been practicing?

Matty Chang has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.

CMS public data

What is Matty Chang known for?

According to Medicare billing data, Matty Chang the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Matty Chang confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Matty Chang. If this is you, claiming it is free.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.